Cutter-bar.



4 0 9 1 7 2 T P E S D E/ T N E T A P.

R A LB 1 R T n C APPLIOATIOH FILED AUG. 22, 1903.

N0 MODEL.

( uuanfoz Patented September 27, 1904.

FREDERICK E. SILOR, MUSE, VIRGINIA.

CUTTER-BAR.

SPECIFICATION forming part of Letters Patent No. 771,101, datedSeptember 27, 1904. Application filed August 22, 1903. Serial No.170,442. (No model.)

To all whom it floaty concern:

Be it known that I, FREDERICK E. SILoR, a citizen of the United States,residing at Muse, in the county of Augusta and State of Virginia, haveinvented a new and useful Cutter-Bar, of which the following is aspecification.

This invention relates generally to cutterbars, and more particularly tothe improved means for connecting cutting-knives to the bar proper, theobject being to provide an exceedingly cheap, simple, and efficientfastening means by which the cutting-knives can be quickly and easilysecurely fastened to the bar and also quickly and easily disconnectedwhen desired; and with these objects in view the invention consists inthe novel features of construction hereinafter fully described, andpointed out in the claims.

In the drawings forming part of this specification, Figure 1 is aperspective view showing a portion of a cutter-bar constructed inaccordance with my invention. Fig. 2 is a top plan view of the same,partly in section. Fig. 3 is a transverse sectional View showing thecutting-blade attached to the bar. Fig. 4 is a similar view showing thecutting-blade in the act of being attached. Figs. 5 and 6 are detailviews of the detaching-tools.

In carrying out my invention I employ a bar A, having T-shaped studs Barranged upon the top side thereof at regular intervals, and betweeneach pair of studs the upper face of the bar is also provided with awedge-shaped lug C, the rear end being perpendicular to the top or upperface of the bar, While the forward end of said lug is flush with andterminates in the front end of the bar. The rear end of the wedge-shapedlug is a short distance forward of the rear side of the bar, and the topface or side of the said lug is the inclined face.

D indicates the cutting-blades, which are cut away on opposite sidesadjacent their rear ends, as shown at D, thereby providinglaterally-extending shoulders D the reduced portion D of the blade beingof a width to fit snugly between the shanks of the T-shaped studs, theheads of said studs overlapping the edges of each adjacent pair ofblades, as most clearly shown in Fig. 1. It will be noted that theshoulders D contact with each other, and thereby produce a practicallyrigid unbroken blade from one end of the cutter-bar to the other. Thereduced portion D of the cuttingblade has a rectang ular-shaped openingE produced therein and which is adapted to be engaged by thewedge-shaped lug or projection C of the bar A, thereby securely lockingthe blade to the bar, it being understood that the blade will yieldsufficiently at the center as the reduced portion is forced between thestuds to permit the extreme rear end of the said cutting-blade to rideover the wedgeshaped lug, and the moment the rear end of the opening Eis reached the rear end of the lug will engage said rear side of theopening and the bar and blade will be securely fastened together.

For the purpose of disengaging the blade from the bar I provide a toolcomprising a bifurcated shank F, having a handle F, the forward ends ofthe bifurcated shank being beveled, as shown at F and by forcing thebeveled ends of the shank in the rear end of the blade so as to straddlethe lug C the central portion of the blade can be elevated sufficientlyto disengage it from the said lug.

It will thus be seen that I provide an exceedingly cheap, simple, andefficient means for quickly and easily connecting the cutterbar andblades.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is

1. The combination with a bar having a series of wedge-shaped lugsarranged upon its upper surface and extending from the front edge of thebar to a short distance past the center, the rear ends of the lugs beingperpendicular to the top of the bar, of the blades each having anopening adjacent its rear end that is adapted to engage one of thewedgeshaped lugs upon the bar, as set forth.

2. The combination with a bar having a plurality of T-shaped studs and awedge-shaped lug between each pair of studs, the rear face of the lugbeing perpendicular to the top face of the bar, the forward end of thewedgeshaped lug being flush with the front of the opening thereinadjacent the rear end for enbar, said lug terminating a short distanceforgagement with the lug upon the bar, as set ward of the rear side ofthe bar, the blades forth.

being cut away upon opposite sides adjacent FREDERICK E. SILOR. theirrear ends to form laterally-projecting Witnesses: shoulders which engagethe front face of the J. N. MGFARLAND,

studs, each blade having a rectangular-shaped R. FRANK LAREW.

